The part number **580A331L-R3000** typically refers to a specialized component often found in high-frequency power electronics or RF applications. Based on standard industry nomenclature (frequently associated with manufacturers like Sumida or similar magnetic component suppliers), this is likely a **Surface Mount (SMD) Power Inductor**. --- ### 1. Component Specifications Below is a breakdown of the technical characteristics typically associated with this series: | Parameter | Estimated Specification | Notes | | :--- | :--- | :--- | | **Component Type** | Fixed Inductor / Power Choke | Designed for DC-DC conversion. | | **Inductance Value** | ~330 nH (0.33 µH) | Indicated by the "331" code. | | **Tolerance** | ±20% (Standard) | Common for power inductors. | | **Mounting Type** | SMD/SMT | Surface mount for automated PCB assembly. | | **Packaging** | Tape & Reel (3000 pcs) | Indicated by the "R3000" suffix. | --- ### 2. Physical and Material Features * **Shielding:** Most components in this series are **magnetically shielded**. This prevents Electromagnetic Interference (EMI) from affecting nearby sensitive components on the PCB. * **Core Material:** Usually a Ferrite or Metal Alloy powder core, optimized for low core losses at high frequencies. * **Terminations:** Lead-free (RoHS compliant) tin plating to ensure high solderability. --- ### 3. Key Applications Parts like the 580A331L are engineered for efficiency in power management systems: 1. **Voltage Regulator Modules (VRMs):** Used in motherboards and servers to step down voltage for CPUs/GPUs. 2. **DC-DC Converters:** High-speed switching power supplies where low DCR (DC Resistance) is required to maintain efficiency. 3. **Consumer Electronics:** Power stages in high-end laptops, tablets, and telecommunications equipment. --- ### 4. Part Number Decoder While specific to the manufacturer's internal system, the code generally breaks down as follows: | Segment | Meaning | | :--- | :--- | | **580A** | Series/Case Size (Physical dimensions of the inductor). | | **331** | Inductance Code ($33 \times 10^1 = 330$ nH). | | **L** | Tolerance or Special Feature code. | | **R3000** | Packaging: Reel containing 3,000 units. | ---